public class testClass {
    private int a;
    private int b;

    public testClass(Integer a) {
        this.a = a;
    }

    public testClass() {
    }

    public int getA() {
        return a;
    }

    public void setA(int a) {
        this.a = a;
    }

    public int getB() {
        return b;
    }

    public void setB(int b) {
        this.b = b;
    }

    public static void main(String[] args) {
        int i=1;
       i=++i;
        System.out.println(i);
        int a=1;
        System.out.println(a++);
        System.out.println(a);
    }
}
